/Engine/Plugins/Animation/IKRig/Source/IKRigEditor/Public/RigEditor/SIKRigHierarchy.h
[FReply](API\Runtime\SlateCore\Input\FReply) HandleAcceptDrop ( const [FDragDropEvent](API\Runtime\SlateCore\Input\FDragDropEvent) & DragDropEvent, EItemDropZone DropZone, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FIKRigTreeElement](API\Plugins\IKRigEditor\RigEditor\FIKRigTreeElement) > TargetItem )